This Colt branded ammunition is made by Barnaul in Russia as a cost effective solution for today's shooters. Colt/Barnaul loads are similar to Silver Bear which feature a distinctive polished zinc plating on the steel cases which ensure exceptional reliability, functionality and feeding a variety of firearms. The projectiles are made from lead however may contain a bi-metal jacket which will attract a magnet. The cases are Berdan primed which makes them not-reloadable, however the ammunition will have a much longer shelf life when compared to other factory loads. Colt ammo is loaded to exacting standards to ensure you receive a quality product.